https://www.alicespringsnews.com.au/2019/10/15/blackout-managers-must-go-says-union-source/
It seems pretty clear that the sudden drop off in solar generation collapsed the whole system as the frequent crashed.
Not a good sign for the future across Australia.
The BESS battery was useless in that scenario. They were saved in the end by the old power station which is being phased out.
